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UK postcodes
M
M4
M4 1

M4 1

M4 postcode district

Updated September 2026

Sector overview

Postcode units: 106
Coordinate coverage: 100%

Part of the M4 postcode district.

Postcode units

101–106 of 106 units

M4 1QA
M4 1QD
M4 1QE
M4 1QH
M4 1QJ
M4 1TT

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Map centre

Centred on the average coordinates of published units. This is not a sector boundary.

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Other M4 sectors

M4 4 121 current
M4 6 115 current
M4 5 109 current
M4 7 88 current
M4 3 11 current
M4 2 10 current
M4 9 0 current

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